Brake-shoe.



No. 828,347. P'ATBNTBD AUG. 14, 1906.

W. P. TAYLOR. BRAKE SHOE.

APPLICATION FILED DEO.22. 1905.

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UNITED, sTATEs PATENT 'OEEroE i wiLLrAM PERRY TAYLOR, OE BUFFALO, NEW YORK.

BRAKE-SHOE.

Specification of Letters Patent.

Patented Aug. 14, 1906.

Application filed December 22, 1905. Serial No. 292,930.

To `all whom it may concern,.-

\ Be it known that I, WILLIAM PERRY TAY- LOR, a citizen of the United States, residing at Buffalo, in the county of Erie and State of New York, have invented certain new and useful Improvements in Brake Shoes, of which the following is a specification.

This invention relates to an improved i railway brake-shoe of that class which is strengthened by a reinforcement or reinforcements; and it comprises a body and at least one reinforcement in said body which is of angular cross-sectional form.

The principal ob'ect of the invention is to so form a reinforcement that it shall strengthen the shoe both longitudinally and transversely.

The invention also relates to certain details of construction, all of which Vwill be fully and clearly hereinafter described and claimed, reference being had to theaccompanying drawings, in which- Figure 1 is afvertical longitudinal section through a `preferred form `of the improved shoe on line a, a, Fig. 3. Fig. 2 is a vertical longitudinal section through one ofthe angular reinforcements on line b t, Fig. 5.

` Fig. 3 is an enlarged vertical transverse section through the improved shoe on line c c, Fig. l. Fig. 4 is'an enlarged vertical trans# verse section through the improved shoe on lined d, Fig. 1. Fig. 5 is an enlarged vertical transverse section through one of the angular reinforcements on line e e, Fig. 2. Fig. 6 isa bottom or faoeiview of the improved shoe looking upon the braking-face.

igs. 7, 8, and 9 are respectively face, end, and edge views of one of the inserts.

In referring to the drawings in detail like numerals designate like parts. y

The adaptation of the invention illus'.-

trated in the drawings comprehends a bodyl -ments 3 are each preferably stamped or otherwise formed from one piece of metal and substantially L.shaped or inthe form of aright angle in cross-section, each of said reinforcements having a substantially hori' zontal portion and a substantially vertical lportion. The horizontal portions are curved to correspond with the curve of the braking-y face of the shoe-body, and the vertical portions are straight like the sides of said body andhave their lower edges extended to form a portion of the braking-face of thebrakeshoe and curved to correspond with the curve of the remainder of the braking-face, as shown in Figs. 2, 3, 4, 5, and 6. The reinforcements are preferably provided in both their vertical portions and their horizontal portions with perforations or slots 5 and 6, which are arranged in longitudinal rows and constitute openings in which portions of the metal of the body fLt to rigidly fasten the reinforoements in place in the body. The reinforcements are embedded inthe shoe-body with their horizontal portions side by side in horizontal alinement near the top surface of the shoe and their vertical portions extending down from the outer margins of the they are surrounded on all sides by the cast metal, and thus locked very rigidly in place therein. The reinforcements are located in practically the two opposite upper Vcorners of the cast body, and their horizontal portions extend toward each other, but not into contact, and their vertical portions extend down-n ward to the braking-surface of the shoe of which the lower edges of the vertical portions form a part.`

Between the angular reinforcements are arranged a series of transverse inserts 4, located at intervals in approximately vertical position, with the bottom edge extending through the bottomsurface or braking-face of the shoe. These inserts are of a flat for- -rnationwith their two larger faces or surfaces substantially parallel and shaped like a y trapezium.

It will be noted by referring to Figs. 3 and 4 that the inserts contact at the top with and serve to support the horizontal portions of the reinforcements and that they are wedge-locked in place in the body by having their wider part at the top. Owing to peculiar tra eziform` shape of the inserts, they are not on y wedged throughout their vertical extent in the body, but also fit at the top against the lower surface of the horizontal loo portions of both of the reinforcements and extend at their lower edge in perfect alinement with the braking-face of the shoe of which they constitute a part. The reinforcements and inserts are stamped orA otherwise formed of suitable metal, such as steel or iron, and are secured in the shoe when cast, being arranged in proper place in the mold before the molten metal from which the shoe is formed is poured, so that they will be embedded rigidly in the brake-shoe when iin; ished.

The braking-face in this improved shoe is composed partially of the bottom surface of the body and partially of the bottom edges of the reinforcements and inserts, so that the braking portion of the body is divided and separated transversely at intervals by the bottom edges of the inserts and longitudinally by the bottom edges of the vertical portions of the reinforcements.

I claim as my invention- 1. In a brake-shoe of the class described, a body and a reinforcement in said body of an L shape in cross-section.

2. In a brake-shoe of the class described, a body and a longitudinal reinforcement in said body of an inverted-L shape in crosssection.

3. In a brake-shoe of the class described, a body and a reinforcement in said body curved to correspond to the curve of the body and having an inverted-L shape in cross-section.

4. In a brake-shoe of the class described, a body and a longitudinal reinforcement in said body embedded wholly beneath the surface of said body; and curved in correspondence with the curve of the shoe; said reinforcement having the formof L in cross-section.

5. In a brake-,shoe of the class described, a body and a curved longitudinal reinforcement in said body having two members only of equal width extending Aat an angle to each other.

6. In a brake-shoe of the class described, a body and a longitudinal reinforcement in said body of angular cross-sectional form having an approximately horizontal portion embedded beneath the surface of the body and curving approximately in parallelism with the curve of the top surface of the body and an approximately vertical portion extending approximately parallel with the side of the body.

7. In a brake-shoe of the class described, a body and a curved longitudinal reinforcelment in said body of angular cross-sectional form having an approximately horizontal portion and an approximately vertical portion, and both of said portions being wholly embedded beneath the surface of the body and having a series of perforations in which portions of the body lock.

8. In a brake-shoe of the class described, a body and at least two reinforcements in said body having the form of an L in cross-section g said reinforcements being arranged longitudinally oppositely to each other.

9. In a brake-shoe of the class described, a body and at least two reinforcements insaid body of L-shaped cross-sectional form.

10. In a brake-shoe of the class described, a body and two longitudinal reinforcements in said body of continuous angular cross-sectional form having substantially parallel vertical portions and substantially parallel horizontal portions.

11. In a brake-shoe of the class described, a body and two reinforcements in said body of angular cross-sectional form each having a vertical portion and a horizontal portion and a series of inserts in said body located between the vertical portions and below the horizontal portions.

12. In a brake-shoe of the class described, a body, at least two longitudinal reinforcements in said body of angular cross-sectional form and a series of inserts in said body located between the longitudinal reinforcements.

13. In a brake-shoe of the class described, a body, at least two longitudinal reinforcements in said body of angular cross-sectional form and a series of transverse inserts arranged at intervals in said body and partially inclosed between the longitudinal reinforcements.

14. In a brake-shoe of the class described, a body, at least two longitudinal reinforcements in said body of angular cross-sectional form and a series of transverse inserts arranged at intervals and wedge-locked in said body and located between portions of the longitudinal reinforcement.

15. In a brake-shoe of the class described, a body, at least two longitudinal reinforcements in said body of angular cross-sectional form and a series of transverse -inserts arranged at intervals and wedge-locked in said body and located between portions of the longitudinal reinforcements said inserts having opposite faces in form similar to a trapezium.

16. A brake-.shoe having a body, two longitudinal reinforcements in said body having horizontal portions, and vertical portions `extending from the outer edges of the horizontal portions to the braking-face of the shoe.

17. A brake-shoe having a body, two 1ongitudinal reinforcements in said body having horizontal portions, and vertical portions extending from the outer edges of the horizontal portions to the braking-face of the shoe, and a series of transverse inserts in the body IOO Ibetween the 'Vertical portions of the longitai portions to the braking-face of the shoe tudinal reinforcements. and having their edges curved to correspond 18. A brake-shoe having a body, two lonto the curve of the shoe.

gitudinel reinforcements in said body having i WILLIAM PERRY TAYLOR. 5 horizontal portions'eurved to correspond to I Witnesses:

the curve of the shoe, Vertical portions eX- L. M. SANGSTER,

I GEO. A. NEUBAUER.

- tending from the outer edges of the horizon- 

